Merge changes I07c4256c,I1a84b52b,Ice040bb2,Ib213cf3c into o8.1

* changes:
  Changed background to white instead of the off gray color that was set
  Fix issue that "Use touch tone keypad" doesn't work
  Dialer: adaptive icon
  FAB now properly scales in multiwindowed mode.
tree: bddfe6b3f9e41360c2f0dc39db0c7316aec4a585
  1. assets/
  2. java/
  3. .gitreview
  4. Android.mk
  5. AndroidManifest.xml
  6. LICENSE